The name given to President Richard Nixon's policy of gradually returning the primary responsibility for conducting the war to the South Vietnamese. As U.S. troops withdrew, South Vietnamese forces were increased in size and recieved additional training and equipment. Southern forces focused on both offensive operation and defensive measures taken to protest villages.
Vietnamization was used to encourage the South Vietnamese to take more responsibility for fighting the war. It was hoped that this policy would eventually enable the United States to withdraw gradually all their soldiers from Vietnam.
U.S. military personnel whose job is to crawl through enemy tunnels in search of the Viet Congs.
The tunnel rats were American and Australian infantry soldiers whose task was to carry out underground search and destroy missions during the Vietnam War. The Viet Cong guerrillas had built a complex system of tunnels in which they hid themselves and their weapons when they were under attacks. They were extremely dangerous, with numerous booby traps and enemies lying in wait.